/*
 * Copyright 2013 JROSE
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.jrose.core.jdbc;

import lombok.Setter;
import org.springframework.beans.factory.FactoryBean;
import org.springframework.beans.factory.InitializingBean;

import javax.sql.DataSource;

/**
 * Factory bean implementation for building {@link DatabaseConnection} bean.
 *
 * @author Xiaohai Zhang
 * @see DatabaseConnection
 * @since 2013-08-22 09:32
 */
public class DatabaseConnectionFactoryBean implements FactoryBean<DatabaseConnection>, InitializingBean {
    @Setter private DataSource dataSource;

    private DatabaseConnection databaseConnection;

    @Override
    public void afterPropertiesSet() throws Exception {
        if (dataSource == null) {
            throw new IllegalArgumentException("Property 'dataSource' is required");
        }
        this.databaseConnection = new DatabaseConnection(dataSource);
    }

    @Override
    public DatabaseConnection getObject() throws Exception {
        return databaseConnection;
    }

    @Override
    public Class<?> getObjectType() {
        return DatabaseConnection.class;
    }

    @Override
    public boolean isSingleton() {
        return true;
    }
}
